/*
 * This file is part of the eccOS Library.
 * Copyright (C) 2007.
 *
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 */
package org.openeccos.gui;

import java.util.EventListener;

import org.openeccos.internal.PDFooterButton;
import org.openeccos.properties.DlgOkCancelProperties;

import nextapp.echo2.app.Alignment;
import nextapp.echo2.app.Button;
import nextapp.echo2.app.Column;
import nextapp.echo2.app.Component;
import nextapp.echo2.app.Extent;
import nextapp.echo2.app.Insets;
import nextapp.echo2.app.Row;
import nextapp.echo2.app.SplitPane;
import nextapp.echo2.app.event.ActionEvent;
import nextapp.echo2.app.event.ActionListener;
import nextapp.echo2.app.event.EventListenerList;

/**
 * An OK/Cancel dialog for general purpose
 *
 * @author Alejandro Salas
 * Created on Feb 15, 2007
 */
public class DlgOkCancel extends PDDialog {

	private EventListenerList eventListenerList = new EventListenerList();
	protected Column pnlCol;
	protected Button btnOk;
	protected Button btnCancel;

	public DlgOkCancel(String title, int width, int height) {
		super(title);
		setModal(true);
		setWidth(new Extent(width));
		setHeight(new Extent(height));
		initGUI();
	}

	public void addActionListener(ActionListener listener) {
		eventListenerList.addListener(ActionListener.class, listener);
	}

	public void addMainComponent(Component component) {
		pnlCol.add(component);
	}

	protected void btnCancelClicked(ActionEvent evt) {
		setVisible(false);
	}

	protected void btnOkClicked(ActionEvent evt) {
		fireActionEvent(new ActionEvent(this, null));
		setVisible(false);
	}

	public void fireActionEvent(ActionEvent evt) {
		EventListener[] eventListeners = getOkCancelListener();
		for (int i = 0; i < eventListeners.length; i++) {
			ActionListener listener = (ActionListener) eventListeners[i];
			listener.actionPerformed(evt);
		}
	}

	public Button getBtnCancel() {
		return btnCancel;
	}

	public Button getBtnOk() {
		return btnOk;
	}

	public EventListener[] getOkCancelListener() {
		return eventListenerList.getListeners(ActionListener.class);
	}

	private void initGUI() {
		SplitPane mainSplit = new SplitPane(SplitPane.ORIENTATION_VERTICAL_BOTTOM_TOP);
		mainSplit.setSeparatorPosition(new Extent(24));
		add(mainSplit);

		Row rowCommands = new Row();
		rowCommands.setCellSpacing(new Extent(5));
		rowCommands.setAlignment(new Alignment(Alignment.RIGHT, Alignment.DEFAULT));
		rowCommands.setBackground(colorScheme.getBackgroundDark());
		rowCommands.setInsets(new Insets(0, 3, 12, 5));

		mainSplit.add(rowCommands);

		btnCancel = new PDFooterButton(DlgOkCancelProperties.cancel());
		btnCancel.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent evt) {
				btnCancelClicked(evt);
			}
		});
		rowCommands.add(btnCancel);

		btnOk = new PDFooterButton(DlgOkCancelProperties.ok());
		btnOk.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent evt) {
				btnOkClicked(evt);
			}
		});
		rowCommands.add(btnOk);

		pnlCol = new Column();
		mainSplit.add(pnlCol);
	}

	public void removeActionListener(ActionListener listener) {
		eventListenerList.removeListener(ActionListener.class, listener);
	}
}